•Derive and analyse relation of capacitance for 3- core cables [CLO-2, PLO-2, C4]•What is grading of cables, explain. [CLO-1, PLO-1, C2]
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Q: -Derive and analyse relation of capacitance for 3- core cables [CLO-2,
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![•Derive and analyse
relation of
capacitance for 3-
core cables [CLO-2,
PLO-2, C4]•What is
grading of cables,
explain. [CLO-1,
PLO-1, C2]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47773288-8a92-4596-852f-7c6ff9440b38%2Fd4ffb632-9da7-4719-8106-262ecf81a8cc%2Fwtxb1bc_processed.jpeg&w=3840&q=75)
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- The property of insulating material which makes the breakdown voltage high in a cable is ...... Good Mechanical strength O High conductivity O High dielectric strength O High insulation resistance5. A 2-wire DC ring distributor is 375m long and is fed with 300V at point A. At point B, 200m from A, load of 150A is taken and at point C, 100m in the opposite direction, a load of 100A is taken. If the resistance per 100m of single conductor is 0.03, find: i. Current in each section of distributor ii. Voltage at points B and C iii. Point of minimum potentialThe mutual inductance coupling coefficient standard unit is .. * Ohm Henery O Unit-less Mho
- Consider a 3-phase, 50 HZ, 11 KV distribution system. Each of conductors is suspended by an insulator string having two identical porcelain insulators. The self-capacitance of the insulator is 5 times the shunt capacitance between link and ground. Find the voltages across two insulators.Q-3 A Cockeroft-Walton type voltage multiplier has ten stages with capacitances, all equal to 0.1 µF. The supply transformer secondary voltage is 100 kV at a frequency of 60 Hz. If the load current to be supplied is 5 mA, find (a) the percentage ripple, (b) the regulation, and (c) the optimum number of stages for minimum regulation or voltage drop.A 2-wire D.C. Ring distributor is 300 m long and is fed at 240 V at point A. At point B, 150m from A, a load of 120A is taken and at C, 100m in the opposite direction, a load of 80A is taken. If the resistance per 100m of single conductor is 0.03 Q, Find the voltages at all loading points and find the power dissipated in the distributor. Clearly draw the distributor, show all currents and loading points. BIEE Paragraph
- A triac is equivalent to two SCRs ………….. a. In series b. In anti-parallel c. series-parallel d. In parallelQ-3 A Cockcroft-Walton type voltage multiplier has ten stages with capacitances, all equal to 0.1 µF. The supply transformer secondary voltage is 100 kV at a frequency of 60 Hz. If the load current to be supplied is 5 mA, find (a) the percentage ripple, (b) the regulation, and (c) the optimum number of stages for minimum regulation or voltage drop.A 2-wire d.c. ring distributor is 300 m long and is fed at 240 V at point A. At point B, 150 m from A, a load of 120 A is taken and at C, 100 m in the opposite direction, a load of 80 A is taken. If the resistance per 100 m of single conductor is 0.030. find: (i) current in each section of distributor (ii) voltage at points B and C.
- Please choose the correct answer and explain if possible. Thank you. 4. The main terminal voltage across an ON conducting SCR depends on the instantaneous main terminal current in the following way: a. They are proportional b. The voltage increases as the current increases, but no quite proportionally c. The voltage increases as the current increases, by a squared (seond power) relationship d. They are virtually non-related 5. To turn Off a conducting SCR in a dc-powered circuit, it is necessary to: a. Interrupt (stop) the gate current b. Wait for the main terminal current to fall below IHO when the supply voltage crosses through zero c. Deliver a pulse of negative gate current via the gate lead d. Place a temporary reverse bias across the SCR’s main terminals 6. In a simple RC charging circuit used for trigger-control of an SCR, a good range of adjustment of the RC time-constant is: a. 1 to 5 msec b. 1 to 30 msec c. 0.1 to 10 msec d. 2 to 25 μsecIn order to obtain a highly links between two winding's, the coupling coefficient will be equal to . . of its maximum value. * .... ..... Twice One half Less than half More than half4- Electrical failure of insulators occurs due to and 5- The other name of self-capacitance in a string of suspension insulators is ......